uLCD_gauges.cpp

00001 #include "uLCD_gauges.h"
00002 #include "mbed.h"
00003 
00004 /**
00005 * @file uLCD_gauges.cpp
00006 * @brief This cpp file defines all the functions for uLCD_gauges.h
00007 * @author Matthew Arceri and Harsha Nori
00008 * @date 3/13/2015
00009 */
00010 
00011 uLCD_gauges::uLCD_gauges(uLCD_4DGL& screen, float min, float max){
00012     uLCD = &screen;
00013     minVal = min;
00014     maxVal = max;
00015     mapOffset = 1;
00016     highFrame = 90;
00017     mapSlope = (highFrame - mapOffset) / (maxVal - minVal);
00018     memHigh = 0;
00019     memLow = 0;
00020 }
00021 
00022 uLCD_gauges::uLCD_gauges(uLCD_4DGL& screen, float min, float max, int lowF, int highF, long memoryAddressHigh, long memoryAddressLow){
00023     uLCD = &screen;
00024     minVal = min;
00025     maxVal = max;
00026     highFrame = highF;
00027     mapOffset = lowF;
00028     mapSlope = (highFrame - mapOffset) / (maxVal - minVal);
00029     memHigh = memoryAddressHigh;
00030     memLow = memoryAddressLow;
00031 }
00032 
00033 void uLCD_gauges::start() {
00034     uLCD->baudrate(3000000);
00035     uLCD->cls();
00036     uLCD->media_init();
00037     uLCD->set_sector_address(0,0);
00038 }
00039 
00040 void uLCD_gauges::update(float value){
00041     //Map value in range minVal to maxVal onto 1 to 99
00042     int mappedValue = int(mapOffset + mapSlope*(value - minVal));
00043     uLCD->display_frame(0,0, mappedValue);
00044 }